Exam 21: Blood Vessels and Circulation

The ________ divides the aorta into the thoracic aorta and the abdominal aorta.

The ________ collects blood from the entire small intestine and two-thirds of the large intestine.

The vessels that receive blood from the ovaries or testes are the

Fear can result in

The larger of the two branches of the common iliac artery is the ________ artery.

As blood travels from arteries to veins,

The regulation of blood flow by local mechanisms within a capillary bed is called

The vein that is formed from the fusion of the subclavian with the internal and external jugulars is the ________ vein.

The blood vessel that supplies blood to the head and neck is the ________ artery.

Clinically,the term blood pressure usually refers to

The hepatic portal vein forms from the fusion of the superior and inferior ________ and the splenic veins.

Blood pressure is determined by

Which of the following is normally the greatest source acting against blood flow?

Which of the following lumen diameters would be typical of a muscular artery?

After blood leaves the capillaries,it enters the

Figure 21-1 Arteries Use Figure 21-1 to answer the following questions: -Identify the artery labeled "12."

During exercise,the blood flow to the active skeletal muscles is increased by autoregulation.How does this work? What other controls on blood flow operate?

The two vertebral arteries fuse to form a large artery called the

The layer between the tunica media and the tunica externa in a large artery is the

Figure 21-2 Veins Use Figure 21-2 to answer the following questions: -Identify the vein labeled "10."